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Specifications (78) If you have any further questions or comments, please do not hesitate to call. Respectfully, Lauren Thomas Consulting, LLC Q;, Lauren M. Thomas, P.E. Principal Engineer ', et .. "�, . t Oregon License #60839PE A LMT Hr tt � Encl. .,.., .,.� r . , . . . , ,//---- ,.. 1 , @I) ,_ ,, „ (3, ,,),..._,,, ,,u, i 1 Lo ! ' , Cc . ---: \ \2_ " -. 2. \\ < 1-\-c\,/\ - } --Z. /\. - c,A` .-- -) c__ \ '- ( IA) e.e.occr3 ----- L.,'N-7 t •-•\ k_.1,3 ANt,u___. k, ,,\ C \:-"7 ) 2-4`' ---vik.t/L__ ty-it ( ?._(. \ 2- u3 \ CD C--- 7-: FT- . Ci , ( 4 \--0 V--i -> ' ----- ro c_c)- c___ ‘----\-c), Project Name SV/ Ridgebeam AC Project # 18-126 Location 15885 SW Alderbrook Cr., Tigard, Oregon CSULTt L. Client 10372 SW Bonanza Way Barbara Marmon Tigard,OR 97224 503-317-1023 By LMT Date 8/20/18r- Page t),\ of . . . . . ,--- .----- „---' ,; . -''' Vt4C--' C---612—.• V24--W-V;c- ----- s A ,------'1 1 ---44 - - ,-- i."-- ,--- .1 , ..,---- Ai' ,4•11.,.. Ir" ._____ ir 1 lifY ( ,,,, , ,--D 0 1ki. L.....,,- (L kJi / TtAe, ( q_,-Tu TcP.\ LUNob 7(_ c.)-D A A .k - (qv-- . ,, .- CD . t 1 _ I— 2- ( 2.1 21-- 'DFJ I ii 1 ------b.„,_ II , 1 I , , k__ 1, 11 11 1 H , 1 i 11 1 1 11 i 11 11 i i iK ;, 11 „ 1 J! 1 1 !i il at- 2-' ac s pi !.; /- - / L.,:Z; 77 C, •12:)(____ ..-... (j__j vill-L___ Project Name SV/ Ridgebeam Project # 18-126 LTC Location 15885 SW Alderbrook Cr., Tigard, Oregon LALIPEN TH(..tA, CONSULTIJG LL( Client Barbara Marmon 10372 SW Bonanza Way Tigard,OR 97224 503-317-1023 Itcstructuralgmailcom By LMT Date 8/20/18 Page v)--L of 9(a • . . . • . _ ,-- t , ) :7--• 4,,,. .\ , „7„-,, ) _ .1,,--, 1 1,-...- c"': \ r '''.*.*9 *'') . \f„," (,j ( -,1 — i l>0 \ L- , \ -,, f--- LA - , 3 \ 4. r 1 7t.'7° ) ' ) 1 (. , ---/------' , -11 ._0 _ - - ___ _ ,..., ..<,,._ _ f \ r ("7 t )- e 1 t \\ C..r3 ( \ \ CO I \ t p IA. I' i r•-", 1 Y .C.'". °,<" r ; ---- --_-- - ‘ \\ , \ _ - ( r.:- 1- , t ' ‘ * 11 16\ \ \ , v \I ,E) , .._. ,..0 c . ,,,) ,...r, (3 ... _., t ----, - -- - Project Name SV/ Ridgebeam Project # 18-126 LTC Location 15885 SW Alderbrook Cr., Tigard, Oregon LAU P E N TH N'IK Cr ti3.11TIN,,li! Client Barbara Marmon 10372 SW Bonanza Way Tigard,OR 97224 503-317-1023 LtcstructuraPa gmailcom By LMT Date 8/20/18 Page \ of Lauren Thomas Consulting, LLC Wood Column Design Tigard, Oregon Solid Wood Column Calculation (per NDS) _ = Input Values Column Length, Ie = 13 feet le = 156 Inches Width, d = 3.5 Inches (Least Dimension) Slenderness Ratio, le/d = 44.57 Note: Slenderness shall be < 50, < 75 during const. Column Stability Factor, Cp Cp = [1+ (FcE/Fc*)]/2c - {[1+ (FcE/Fc*)/2c]2 - (FcE/Fc*)/c) 1/2 0.12 Where: Fc* = Fc (CDxCMxCtxCfxCI) Material F E' 1725 PSI Microllam LVL Sawn Lumber (DF/L #2+) 1500 1,400,000 FE = KcE E' / (le/d)2 Glu Lam (22F) 1500 1,600,000 = 211.415187 Selected Values: 1500 1,400,000 FcE/Fc* = 0.12255953 Adjustment Factors: Table Load Duration,* CD = 1.15 [2.3.2] Wet Service,* CM = 1.00 [2.3.4] Temperature,* CT = 1.00 Beam Stability, = 1.00 KcE = 0.3 (Visually Graded Lumber) Volume Factor, Cv = 1.00 Flat Use, CfU = 1.00 c = 0.8 (sawn lumber) Incising,* C1= 1.00 [2.3.11] c = 0.85 (round timber piles) Repetive Use, Cr = 1.00 1 .0 / 1.15 c = 0.9 (glued-laminated timber) Curvature, Cc = 1.00 Selected Value = 0.8 Shear Stress Factor,* CH= 1.00 1.0 - 2.0 Fc = F*c (Adjustment Factors) = 1725 PSI Fc = Fc* x Cp = 205.8372 PSI Selected Column Dimensions = 3.5 inches x 7.25 inches Allowable Column Load = Pa„ = 5,223 pounds -7 -4,yy) 6 'Ns\' Project Name SV/ Ridgebeam Project # 18-126 Location 15885 SW Alderbrook Cr., Tigard, Oregon LAUREN TMOMA, coNsU1TI Client Barbara Marmon 10372 SW Bonanza Way Tigard,OR 97224 Ltcstructura-1023l.com By LMT Date 8/20/18 Page `Z. of �� Project: 18-126 Prepared by: LMT 8/21/2018 Software licensed to: LTCHS Phone: 503-317-1023 Email: Wind Simple Version 1.0.0 Input See ASCE 7-10 Section 26.3 for symbol definitions V = 120 mph Topographic Factor Exposure Category B Specify K zt directly h = 15 ft KZt for walls = 1.00 L = 40 ft Kzt for roof= 1.00 B = 25 ft Gable Roof: Pitch = 4: 12 This is a valid Class 1 building MWFRS Roof Pressures (pst) Zone 1 2 3 4 5 Load Case 1 -15.3 -12.5 -19.1 -17.0 -13.9 Load Case 2 5.4 -5.5 0.0 0.0 0.0 MWFRS Roof Overhang Pressures povh @ Zone l = 11.5 psf povh @ Zone 3 = 14.3 psf Pressures indicated are applied to underside of overhang on windward side only. simultaneously with other roof pressures. Components and Cladding ASCE 7-10 Directional Procedure, C&C - Chapter 30, Part 4 This procedure applies to wind loads of enclosed buildings, as defined in Section 26.2 C&C Wall and Roof Pressures (pst) Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Effective Wind Area(sf) Load Load Load Load Load Load Load Load Load Load Case 1 Case 2 Case 1 Case 2 Case 1 Case 2 C Case 2 Case 1 Case 2 10 -22.4 12.9 -37.6 12.9 -56.6 12.9 -24.3 / 22.4 -37.6 20.5 500 -20.2 11.6 -30.1 11 .6 -45.2 11.6 -1 . 15.7 -22.6 14.3 C&C Roof Overhang Pressures (psi) povh ps Effective @ Zone 2 @ Zone 3 @ Zone 4 @ Zone 5 Wind Area(s f) Load Load Load Load Load Load Load Load Case 1 Case 2 Case 1 Case 2 Case 1 Case 2 Case 1 Case 2 10 -37.6 12.9 -65.0 14.8 -24.3 22.4 -37.6 20.5 500 -37.6 12.9 -58.5 13.4 -19.4 15.7 -22.6 14.3 SKGA S.K. Ghosh Associates Inc. 1334 E Colfax Street, Palatine, IL, 60067 Page lof I www.skghoshassociates.com